Step 1: Load Excel file in to power BI Desktop
1. Open the power desktop and click on Get Data
2. Select Text/ CSV File from the options
3. Select the save Excel files from your computer.
4. Click on Load button to load the data into power BI Desktop.
Follow this gif to Load data in to power BI Desktop
Learn More about how to load data in power BI Desktop by Click the following Links.
https://docs.microsoft.com/en-us/power-bi/connect-data/service-excel-workbook-files
https://www.red-gate.com/simple-talk/sql/bi/importing-excel-data-power-bi-desktop/